Carrying value as of the balance sheet date of long-term debt (with maturities initially due after one year or beyond the operating cycle if longer) identified as Convertible Notes Payable, excluding current portion. Convertible Notes Payable is a written promise to pay a note which can be exchanged for a specified amount of another, related security, at the option of the issuer and the holder.

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The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

+ References

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-Publisher FASB
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-SubTopic 10
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The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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The number of equity instruments that the holder of the debt instrument would receive if the debt was converted to equity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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-Subparagraph (SX 210.5-02.22(a)(5))
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

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-Publisher FASB
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Long-term Debt - Narrative - Convertible Subordinated Debentures (Details) shares in Millions, $ in Millions	3 Months Ended	4 Months Ended	12 Months Ended
	Mar. 31, 2016 USD ($) shares	Mar. 31, 2016 USD ($)	Nov. 30, 2015 USD ($) shares	Dec. 31, 2015 USD ($)	Feb. 28, 2015 USD ($)
Debt Instrument [Line Items]
Convertible subordinated notes	$ 84.8	$ 84.8	$ 84.8	$ 84.8	$ 99.4
4 1/16% Convertible Subordinated Debentures [Member]
Debt Instrument [Line Items]
Convertible subordinated notes	$ 84.6	$ 84.6	84.6	$ 84.6
Convertible debentures into shares of common stock (in shares) \| shares	9.4
Debentures price range		100.00%
Converted debt amount			$ 49.0
4 1/16% Convertible Subordinated Debentures [Member] \| Common Stock [Member]
Debt Instrument [Line Items]
Converted debt (in shares) \| shares			5.5